Is Costco PFAS-free?
Across 8 graded products, Costco averages F (20/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.
Graded and flagged D and F, we’d swap these
Costco
Allerease Maximum Allergy Mattress Protector
polyester blend with waterproof barrier coating
Skip until Costco discloses coating chemistry or testing.
⚠Waterproof or stain-proof treatment
Costco
Sleepy's Bedding Waterproof Mattress Protector
Polyester with waterproof coating, composition unspecified
Skip or contact Costco for waterproof treatment details.
⚠Waterproof or stain-proof treatment
Costco
BEDGEAR Dri-Tec Mattress Protector
Polyester/polyurethane blend with water-resistant coating
Skip until brand clarifies coating chemistry or provides PFAS testing.
⚠Waterproof or stain-proof treatment
Costco
Serta Sleep to Go Everyday Mattress Protector SLEEP2GO
Polyester blend with waterproof/stain-resistant coating
Skip. Waterproof mattress protector coating likely contains PFAS.
⚠Waterproof or stain-proof treatment
Costco
ProtectEase Premium Waterproof Zippered Mattress Protector
polyester or polyester blend with waterproof coating, composition unspecified
Skip until Costco discloses coating chemistry or certifies PFAS-free.
⚠Waterproof or stain-proof treatment
Costco
Avocado Organic Waterproof Mattress Protector
Polyester with waterproof coating, composition unspecified
Skip until Costco discloses waterproof coating chemistry.
⚠Waterproof or stain-proof treatment
Costco
Purple Waterproof Mattress Protector
Polyurethane or polyester blend with waterproof coating
Skip until Costco discloses waterproof treatment chemistry
⚠Waterproof or stain-proof treatment
Costco
Naturepedic Organic Waterproof Fitted Protector Pad
Organic cotton with waterproof coating, unspecified
Skip until waterproof treatment is fully disclosed.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →